BART: version 0.4.01

Changes:

• new tools: casorati mandelbrot wavelet estshift estdelay ccapply
• cc tool: new option to output compression matrix
• traj tool: new option for gradient-error corrected radial trajectories
• pics tool: fix for the use of weights for non-Cartesian trajectories
• pics tool: fix for the use of weights with higher (temporal) dimensions (Jon Tamir)
• pics tool: allow the use of higher dimensions in sensitivity maps (Jon Tamir)
• nlinv tool: various fixes (Christian Holme)
• threshold tool: fix for hard thresholding (Jon Tamir)
• cmake: integration testing (Damien Nguyen)
• cmake: CUDA support (Damien Nguyen)
• fixes for a couple of memory leaks (Damien Nguyen, Christian Holme)
• faster system tests, more unit tests and system tests
• library: improved precision of wavelet filters
• library: new functions for tensor multiplication (md_ztenmul, ...)
• library: function to compute sensitivities with Biot-Savart law
• library: functions for polynoms
• library: improved and extended functions for splines
• many other bug fixes and improvements